The electric eel can produce a shock of up to 860 volts, enough to stun a horse.

A crocodile can replace its teeth multiple times in its life.

Fact #406 · Animals

An ostrich's eye is larger than its brain.

Fact #349 · Animals

A crocodile can hold its breath underwater for an extended period.

Fact #476 · Animals

Many birds use Earth's magnetic field for navigation.

Fact #388 · Animals

Octopuses have three hearts and blue blood.

Fact #1 · Animals

Some birds migrate thousands of miles each year.

Fact #77 · Animals

Some species of snakes give live birth instead of laying eggs.

Fact #540 · Animals

Some species of birds form lifelong pair bonds.

Fact #537 · Animals